Ambrosia Beetles
(Scolytinae: Xyleborini)
Armillaria Root Rot
(Armillaria spp.)
Bacterial Leaf Scorch
(Xylella fastidiosa subsp. Multiplex)
Black Twig Borer
(Xylosandrus compactus)
Botryosphaeria Canker
(Botryosphaeria spp)
Carpenterworm
(Prionoxystus robiniae)
Cynipid Wasp
(Cynipidae)
Drought
Fall Webworm
(Hyphantria cunea)
Frost Crack
Greenstriped Mapleworm
(Dryocampa rubicunda)
Herbicide Damage
Improper Mulching
Improper Planting
Improper Pruning
Japanese Beetle
(Popillia japonica)
Leaf Scorch
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Leaf Spots (Maple-Sycamore)
(Rhytisma acerinum)
Leafy Mistletoe
(Phoradendron tomentosum)
Lightning Damage
Linden Looper
(Erannis tilaria)
Mechanical Damage
Nutrient Deficiency
Overwatering
Phytophtora Root Rot
(Phytophtora spp.)
Pinkstriped Oakworm
(Anisota virginiensis)
Powdery Mildew
(Oidium sp.)
Soil Compaction
Structural Root Rot
(Ganoderma sp.)
Underwatering